Expansion Block/Orifice Tube: Service and Repair
EXPANSION (ORIFICE) TUBE REPLACEMENTTOOLS REQUIRED
^ J 26549-E Expansion Tube Remover kit
^ J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
2. Remove the refrigerant line screw and the clip.
3. Disconnect the evaporator inlet pipe connection.
4. Use a J 26549-E to remove the expansion tube.
INSTALLATION PROCEDURE
1. Use clean 525 viscosity refrigerant oil to coat the O-rings.
2. Install the expansion tube into the pipe with the short screen towards the evaporator.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Connect the expansion tube dual O-ring joint.
Tighten
Tighten the dual O-ring joint to 24 N.m (18 lb ft).
4. Install the refrigerant line screw and the clip.
5. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
6. Leak test the fittings of the component using the J 39400-A.